In a group of 21 students attending a party, the average age is 21.6 years. A 23-year-old student joins the party. Calcu
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In a group of 21 students attending a party, the average age is 21.6 years. A 23-year-old student joins the party. Calcu
In a group of 21 students attending a party, the average age is 21.6 years. A 23-year-old student joins the party. Calculate and report the updated average age for the new group of students. Report your answers to one decimal place.
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